CN104472413B - Method for net cage fish culture - Google Patents
Method for net cage fish culture Download PDFInfo
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- CN104472413B CN104472413B CN201510021487.6A CN201510021487A CN104472413B CN 104472413 B CN104472413 B CN 104472413B CN 201510021487 A CN201510021487 A CN 201510021487A CN 104472413 B CN104472413 B CN 104472413B
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- net
- fingerling
- small
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- sized
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000012010 growth Effects 0.000 claims abstract description 9
- 239000013505 freshwater Substances 0.000 claims description 11
- 230000000474 nursing effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003643 water by type Substances 0.000 claims description 7
- 235000013305 food Nutrition 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 210000003608 fece Anatomy 0.000 claims description 5
- 241000252233 Cyprinus carpio Species 0.000 claims description 4
- JDLKFOPOAOFWQN-VIFPVBQESA-N Allicin Natural products C=CCS[S@](=O)CC=C JDLKFOPOAOFWQN-VIFPVBQESA-N 0.000 claims description 3
- JDLKFOPOAOFWQN-UHFFFAOYSA-N allicin Chemical compound C=CCSS(=O)CC=C JDLKFOPOAOFWQN-UHFFFAOYSA-N 0.000 claims description 3
- 235000010081 allicin Nutrition 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 201000010099 disease Diseases 0.000 abstract description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000003862 health status Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000252230 Ctenopharyngodon idella Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a method for net cage fish culture. The method includes the following steps that A, the hydrological environment is detected; B, net cages are arranged; C, fingerling is thrown; D, continuous culture is performed. According to the technical scheme, the disease incidence and death rate of the fingerling are reduced in growth environment conversion and transferring processes; the problems that space utilization rate of the net cages is low, and the net cages can not continuously culture fishes are solved.
Description
Technical field
The invention belongs to fishery cultivating field, and in particular to a kind of method of fish culture in net pen.
Background technology
Fish are most ancient vertebrates；They almost perch in all of aquatic environment ━ ━ on the earth from fresh water
Lake, the sea and ocean in river to salt water；The species of fish can be divided into two kinds, fresh-water fishes and saltwater fish；In China hinterland,
Main cultivation is fresh-water fishes；Therefore, fresh-water fishes become the food often occurred on the meal seat of hinterland；Because the flesh of fish is rich in
Animal protein and phosphorus matter etc., nutritious, flavour is delicious, easily digested, the development to mankind's muscle power and intelligence
Play an important roll；Therefore the Warring states before more than 2,000 years, the famous thinker of China, politician, educationist Mencius are just certainly
Oneself works was said：" fish, I is intended to, and also I is intended to bear's paw "；It can be seen that, fish is used as the origin of the cuisines on mankind's dining table
For a long time.
At present, in China hinterland, the cultural method of its fresh-water fishes has：Aqiuculrue, rice field fish culture, fish culture in stream,
Fish culture in lake, fish culture in reservoir, fish culture in net pen, purse seine and fence are breeded fish and industrial fish farming；Although current aqiuculrue is still
Mode that what most of China area used breed fish, yield accounts for more than the 60% of fresh-water fish-culture；But fish culture in net pen is intensive with its
Degree is high, puts fish density greatly, and fish growth is fast, and yield is high, and can relatively make full use of natural water area, and the prospect of its development is huge；
It is all restricted to putting fingerling specification in a suitable place to breed in traditional cage rearing；Grass carp is such as raised, fingerling specification is put in a suitable place to breed for more than 100 grams,
Preferably put 500 grams or so of individuality in a suitable place to breed, grown soon after the fish inlet of this specification, survival rate is high, can be reached in the shorter time
To listing specification；Cultivation carp, puts 100 ~ 150 grams of individuality in a suitable place to breed, and 500 ~ 1000 grammes per square metres can be grown to through the cultivation of a year；And in net
A small amount of bighead and silver carp is raised together with case；Tradition cultivation limitation, can not only increase put in a suitable place to breed fingerling spent by transhipment when
Between cost and human cost, also easily increase the death rate of the fingerling in transport process；And the change in growth waters, also having can
Fingerling disease incident and the death rate can be increased；The low space utilization of its net cage；Net cage can not continuously breed fish；Increase cost,
Reduce economic benefit.
The content of the invention
The technical problem to be solved in the present invention is, the deficiencies in the prior art；Fingerling has been solved because the conversion of growing environment
With in transport process, its disease incident and the death rate are higher；The low space utilization of net cage；And net cage can not continuously breed fish
Problem.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：A kind of method of fish culture in net pen, its feature
It is；Comprise the following steps：
A, hydrological environment detection：Cultivated water is fresh water, and depth of water whole year should be maintained at more than 12m, and waters flow velocity is
0.05 ~ 0.25m/s, waters pH=6.5 ~ 8.5, dissolved oxygen amount is more than 3mg/ liters；
B, net cage arrangement：Four small-sized net cages are provided with, in the direction of the clock from shallow to deep into matrix pattern, four small-sized net cage arrangements
In public large cage；Four sizes of small-sized net cage are from shallow to deep 12m*12m*3m, 12m*12m*4.5m, 12m*12m*
6.5m, 12m*12m*8.5m, the size of public large cage is 25m*31m*10m；Wherein, three circles are provided between four small-sized net cages
Tub connects net；In cylindrical connection net and net cage junction, it is equipped with and connects net diameter more than cylindrical, can switchs at any time
Movable net；
C, fingerling are delivered：What is delivered in small-sized net cage is bait throwing in fingerling, and what is delivered in public large cage is to rely on small-sized net cage
In bait throwing in fingerling excreta and residual bait growth, without the food fingerling of bait throwing in；And only in 12m*12m*3m
Small-sized net cage and public large cage in deliver fingerling respectively, remaining three small-sized net cages do not deliver fingerling；In 12m*12m*3m
Small-sized net cage deliver fingerling weight be 20g/ tails；And it is 550g/ tails that the weight of fingerling is delivered in large cage；
D, continuous cultivation：It is the fingerling of 20g/ tails, nursing time that weight is fed in size is for the net cage of 12m*12m*3m
It is 20~40 days；When fingerling weight reaches 50g/ tails, catch up with the net cage that size is 12m*12m*4.5m, nursing time is 20
~40 days；When fingerling weight reaches 150g/ tails, catch up with size be 12m*12m*6.5m net cage in, nursing time be 20~
40 days；When fingerling weight reaches 250g/ tails, catch up with the net cage that size is 12m*12m*8.5m, nursing time is 50~70
After it, sale is fished for.
Operation principle of the invention and have the beneficial effect that：A kind of method of fish culture in net pen, due to being fed in four net cages
Be different phase fingerling, can accurately hold the growing state and health status in each stage of fingerling, increase fingerling
Final survival rate, increased economic benefit；Because fish is different in the growing space required for each stage, four small-sized net cages
Different size provide its required for space；Increased the space availability ratio of small-sized net cage；And set between four small-sized net cages
The cylindrical connection net put, can make the fish for having grown up rapidly from primary net cage long, be transferred in next net cage, increased fish
Transfer efficiency between net cage；And enhance the continuity between net cage.Simultaneously because the growing environment of fingerling does not have all the time
Change, reduce disease and death that fingerling causes because of growing environment；And this method is simple and easy to apply, operability is high.
Further, the frequency of the feeding bait of four small-sized net cages is 3 ~ 8 times/day；Food in public large cage
The bait of fingerling is the excreta and residual bait of bait throwing in fingerling in four small-sized net cages.
Further, the top of four small-sized net cages and the top of public large cage are higher by 0.3 ~ 0.7m of horizontal plane；It is its energy
It is fixed on the steel pipe of surrounding.
Further, in the growth cycle of whole fingerling, should be every 5 ~ 8 days to 4 small-sized net cages, should be every to public large cage
Every 30 days, draw in the net to check the upgrowth situation of the shoal of fish；Meanwhile, net cage is cleaned, remove the dirt on net cage；And every 15 days
With Betagen Solution, wheel is net or one or more mixing of allicin carries out once sterilizing；Build strong to the fingerling in net cage
The growing environment of health.
Further, the size is the small-sized net cage of 12m*12m*3m, and its mesh is 0.8mm；It is 12m*12m* in size
The small-sized net cage of 4.5m, its mesh is 2.0mm；It is the small-sized net cage of 12m*12m*6.5m in size, its mesh is 3.0mm；In size
It is the small-sized net cage of 2m*12m*8.5m, its mesh is more than 4.0mm；It is the public large cage of 25m*31m*10m, its mesh in size
It is 5.0 mm；Ensure that the optimal activity space of fish；Will not be excessive because of mesh, and cause the fish in net cage to escape；Also will not be because
Mesh is too small, and causes the fish in net cage to come to harm.
Further, when the fingerling weight is 20g/ tails, its day feeding rate 3.1 ~ 9.0%；When fingerling weight is 50g/ tails,
Its day feeding rate 1.0 ~ 6.0%；When fingerling weight is 100g/ tails, its day feeding rate 1.0 ~ 4.5%；Fingerling weight is 150g/ tails
When, its day feeding rate 0.9 ~ 4.2%；When fingerling weight is 200g/ tails, its day feeding rate 0.9 ~ 4.2%；Fingerling weight is 250g/
During tail, its day feeding rate 0.7 ~ 4.0%；When fingerling weight is 300g/ tails, its day feeding rate 0.7 ~ 4.0%；Fingerling weight is
During 500g/ tails, its day feeding rate 0.5 ~ 3.5%；The temperature range of above-mentioned day feeding rate is 15 ~ 30 DEG C；Its day feeding rate according to
The size of temperature, changes from low to high；The accurate bait throwing in of each growth phase of nursery is ensure that, bait has not only been saved；Also
Improve the speed of growth of fingerling.
Further, what is delivered in described small-sized net cage is bait throwing in fingerling, is carp；Point out the applicable scope of this invention.
Brief description of the drawings
Fig. 1 is the net cage overall structure diagram of the method for the fish culture in net pen of fresh-water fishes；
Fig. 2 is the net cage right view of the method for the fish culture in net pen of fresh-water fishes.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples：
Reference：Size is 12m*12m*4.5m for small-sized net cage 1, the cylindrical connection net 12, size of 12m*12m*3m
Small-sized net cage 2, cylindrical connection net 23, size for 12m*12m*6.5m small-sized net cage 3, cylindrical connection net 34, size be
The small-sized net cage 4 of 12m*12m*8.5m, large cage 5.
Specific embodiment of the invention can be divided into following steps to carry out：
A, hydrological environment detection：Cultivated water is fresh water, and depth of water whole year should be maintained at more than 12m, and waters flow velocity is
0.05 ~ 0.25m/s, waters pH=6.5 ~ 8.5, water quality is pure and fresh nontoxic, and dissolved oxygen amount preferably more than 5mg/ liters, will at least reach
More than 3mg/ rises.
B, net cage arrangement：As shown in Figure 1 and 2, four small-sized net cages are distributed in the direction of the clock from shallow to deep into matrix pattern
In public large cage；Four sizes of small-sized net cage are from shallow to deep 12m*12m*3m, 12m*12m*4.5m, 12m*12m*6.5m,
12m*12m*8.5m, the size of public large cage 5 is 25m*31m*10m；In size is for the small-sized net cage 1 of 12m*12m*3m, adopt
With the fishing net that mesh is 0.8mm；In size is for the small-sized net cage 2 of 12m*12m*4.5m, it is the fishing net of 2.0mm to use mesh；
During size is for the small-sized net cage 3 of 12m*12m*6.5m, it is the fishing net of 3.0mm to use mesh；It is the small of 12m*12m*8.5m in size
In net cage 4, the fishing net using mesh more than 4.0mm；Size for 25m*31m*10m public large cage 5 in, use mesh for
The fishing net of 5.0 mm；It is provided between the small-sized net cage 2 that the small-sized net cage 1 and size that size is 12m*12m*3m are 12m*12m*4.5m
Cylindrical connects net 12；In the small-sized net cage 2 and size that size is 12m*12m*4.5m between the small-sized net cage 3 of 12m*12m*6.5m
It is provided with cylindrical connection net 23；In size for the small-sized net cage 3 and size of 12m*12m*6.5m are the small-sized net cage 4 of 12m*12m*8.5m
Between be provided with cylindrical connection net 34.In cylindrical connection net and net cage junction, it is equipped with and connects net diameter more than cylindrical,
The movable net that can be switched at any time.
Wherein, the top of four small-sized net cages and public large cage 5 exceeds 0.3 ~ 0.7m of horizontal plane, and it exceeds part and fixes
On the steel pipe of its surrounding；Three cylindrical connection nets are provided between four small-sized net cages；Can ensure that the optimal activity space of fish；No
Can be excessive because of mesh, and cause the fish in net cage to escape；Also will not be too small because of mesh, and cause the fish in net cage to come to harm.
C, fingerling are delivered：What is delivered in small-sized net cage is bait throwing in fingerling, is carp；Delivered in public large cage 5 to eat
Feeding habits fingerling；And only delivered respectively in the size of 12m*12m*3m is for the small-sized net cage 1 and public large cage of 12m*12m*3m
Fingerling, remaining three small-sized net cages do not deliver fingerling；Size by 12m*12m*3m small-sized net cage 1 deliver fingerling weight be
20g/ tails,；And it is 550/tail that the weight of fingerling is delivered in large cage 5.
D, continuous cultivation：It is the fingerling in the small-sized net cage 1 of 12m*12m*3m in 20g/ tails size, because fingerling is in natural shape
Taking the photograph bait bicker under state is the 50 ~ 75% of bore, therefore bait is crushed to material of the diameter no more than 1mm with feed disintegrating machine；In fish
When planting weight for 20g/ tails, its day feeding rate 3.1 ~ 9.0%；When fingerling weight is 50g/ tails, its day feeding rate 1.0 ~ 6.0%；
And feeding is fed 30 days；When fingerling weight reaches 50g/ tails, unlatching is located at the He of small-sized net cage 1 that size is 12m*12m*3m
The size of 150g/ tails is the cylindrical connection net 12 between the small-sized net cage 2 of 12m*12m*4.5m；And size for 12m*12m*3m
The fingerling of small-sized net cage 1 is caught up with to size as in the small-sized net cage 2 of 12m*12m*4.5m；When fingerling is all introduced into size for 12m*
When in the small-sized net cage 2 of 12m*4.5m, the movable net being located on the small-sized net cage 2 that size is 12m*12m*4.5m should be first shut off, kept away
Exempt from the fingerling in the small-sized net cage 2 that size is 12m*12m*4.5m to enter into cylindrical connection net 12 or size is 12m*12m*3m's
In small-sized net cage 1；It is then turned off the movable net being located on the small-sized net cage 1 that size is 12m*12m*3m, you can the new fingerling of input；Open
Beginning next round is cultivated.
The bait of a diameter of 1 ~ 1.5mm of feeding in size is for the small-sized net cage 2 of 12m*12m*4.5m；It is 12m* in size
When fingerling weight in the small-sized net cage 2 of 12m*4.5m is 100g/ tails, its day feeding rate 1.0 ~ 4.5%；When fingerling weight is 150g/
During tail, its day feeding rate 0.9 ~ 4.2%；And feeding is fed 30 days；When fingerling weight reaches 150g/ tails, unlatching is located at size and is
Cylindrical connection net between the small-sized net cage 2 of 12m*12m*4.5m and the small-sized net cage 3 that the size of 250g/tail is 12m*12m*6.5m
23；And 2 fingerlings of small-sized net cage are caught up with to size as in the small-sized net cage 3 of 12m*12m*6.5m；When the chi that fingerling is all introduced into
When in the very little small-sized net cage 3 for 12m*12m*6.5m, the work being located on the small-sized net cage 3 that size is 12m*12m*6.5m should be first shut off
Dynamic net, it is to avoid size is 12m* for the fingerling in the small-sized net cage 3 of 12m*12m*6.5m enters into cylindrical connection net 23 or size
In the small-sized net cage 2 of 12m*4.5m；It is then turned off the movable net being located on the small-sized net cage 2 that size is 12m*12m*4.5m.
Size for 12m*12m*6.5m size for 12m*12m*6.5m small-sized net cage 3 in feeding a diameter of 1.5 ~
The bait of 2.0mm；When fingerling weight in the small-sized net cage 3 that size is 12m*12m*6.5m is 150g/ tails, its day feeding rate
0.9~4.2%；When fingerling weight is 200g/ tails, its day feeding rate 0.7 ~ 4.0%；And feeding is fed 30 days；Treat that fingerling weight reaches
During to 250g/ tails, unlatching is located at the small-sized net cage 3 that size is 12m*12m*6.5m and is 12m*12m* more than the size of 250g/ tails
Cylindrical connection net 34 between the small-sized net cage 4 of 8.5m；And size for 12m*12m*6.5m small-sized net cage 3 fingerling catch up with into
Size is in the small-sized net cage 4 of 12m*12m*8.5m；When the size that fingerling is all introduced into is in the small-sized net cage 4 of 12m*12m*8.5m
When, the movable net being located on the small-sized net cage 4 that size is 12m*12m*8.5m should be first shut off, it is to avoid size is 12m*12m*8.5m
Small-sized net cage 4 in fingerling enter into cylindrical connection net 34 or size for 12m*12m*6.5m small-sized net cage 3 in；It is then turned off
It is located at the movable net on the small-sized net cage 3 that size is 12m*12m*6.5m.
Bait of the feeding with diameter greater than 2.0mm in size is for the small-sized net cage 4 of 12m*12m*8.5m；It is 12m* size
When fingerling weight in the small-sized net cage 4 of 12m*8.5m is 300g/ tails, its day feeding rate 0.7 ~ 4.0%；When fingerling weight is 500g/
Tail to reach listing specification when, its day feeding rate 0.5 ~ 3.5%；And feeding is fed 60 days or so；Fish in public large cage 5
Plant and feed 300 days, after fingerling weight reaches the adult fish for meeting sale standard, sell.
The temperature range of above-mentioned day feeding rate is 15 ~ 30 DEG C, and its day feeding rate becomes from low to high according to the size of temperature
Change.
In the growth cycle of whole fingerling, should be every 5 ~ 8 days to 4 small-sized net cages, should be every 30 days to public large cage
Left and right, draws in the net to check the upgrowth situation of the shoal of fish；Net cage is cleaned simultaneously, removes the dirt on net cage；And every 15 days use
Betagen Solution, wheel are net, allicin etc. carries out once sterilizing；The growing environment of health is built to the fingerling in net cage；It is right
Four frequencies of the feeding bait of small-sized net cage are 3 ~ 8 times/day；For the food fingerling in public large cage, its rely on 4 it is small
The excreta of bait throwing in fingerling and residual bait grow in net cage, without feeding bait.
Using this programme, a kind of method of fish culture in net pen；Due in four net cages feed be different phase fingerling,
The growing state and health status in each stage of fingerling can be accurately held, increases the final survival rate of fingerling, increased
Economic benefit；Because fish is different in the growing space required for each stage, four different sizes of small-sized net cage provide it
Required space；Increased the space availability ratio of small-sized net cage；And the cylindrical connection net set between four small-sized net cages, can
Make the fish for having grown up rapidly from primary net cage long, be transferred in next net cage, increased transfer effect of the fish between net cage
Rate；And enhance the continuity between net cage.Simultaneously because the growing environment of fingerling is not changed in all the time, reduce fingerling because
The disease caused for growing environment and death；And this method is simple and easy to apply, operability is high.
For a person skilled in the art, on the premise of structure of the present invention is not departed from, some changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these effects and patent for implementing all without the influence present invention
Practicality.
Claims (7)
1. a kind of method of fish culture in net pen, it is characterised in that；Comprise the following steps：
A, hydrological environment detection：Cultivated water is fresh water, and depth of water whole year should be maintained at more than 12m, waters flow velocity is 0.05 ~
0.25m/s, waters pH=6.5 ~ 8.5, dissolved oxygen amount is more than 3mg/ liters；
B, net cage arrangement：Four small-sized net cages are provided with, in the direction of the clock from shallow to deep into matrix pattern, four small-sized net cages are arranged in public affairs
With in large cage；Four sizes of small-sized net cage are from shallow to deep 12m*12m*3m, 12m*12m*4.5m, 12m*12m*6.5m,
12m*12m*8.5m, the size of public large cage is 25m*31m*10m；Wherein, three cylindricals are provided between four small-sized net cages
Connection net；In cylindrical connection net and net cage junction, it is equipped with and connects net diameter, the activity that can be switched at any time more than cylindrical
Net；
C, fingerling are delivered：What is delivered in small-sized net cage is bait throwing in fingerling, and what is delivered in public large cage is by small-sized net cage
Excreta and the residual bait growth of bait throwing in fingerling, without the food fingerling of bait throwing in；And only in the small of 12m*12m*3m
Fingerling is delivered in net cage and public large cage respectively, remaining three small-sized net cages do not deliver fingerling；In the small of 12m*12m*3m
The weight that net cage delivers fingerling is 20g/ tails, and it is 550g/ tails that the weight of fingerling is delivered in large cage；
D, continuous cultivation：It is the fingerling of 20g/ tails to feed weight in size is for the net cage of 12m*12m*3m, and nursing time is 20
~40 days；When fingerling weight reaches 50g/ tails, catch up with the net cage that size is 12m*12m*4.5m, nursing time is 20~40
My god；When fingerling weight reaches 150g/ tails, catch up with the net cage that size is 12m*12m*6.5m, nursing time is 20~40 days；
When fingerling weight reaches 250g/ tails, catch up with size be 12m*12m*8.5m net cage in, nursing time be 50~70 days after,
Fish for sale.
2. a kind of method of fish culture in net pen as claimed in claim 1, it is characterised in that：To four feeding bait of small-sized net cage
Frequency is 3 ~ 8 times/day；The bait of the food fingerling in public large cage is the excreta of bait throwing in fingerling in four small-sized net cages
And residual bait.
3. as claimed in claim 1 a kind of method of fish culture in net pen, it is characterised in that：The top of four small-sized net cages and public big net
The top of case is higher by 0.3 ~ 0.7m of horizontal plane.
4. a kind of method of fish culture in net pen as claimed in claim 1, it is characterised in that：In the growth cycle of whole fingerling,
4 small-sized net cages should should be drawn in the net to check the upgrowth situation of the shoal of fish to public large cage every 5 ~ 8 days every 30 days；Meanwhile, it is right
Net cage is cleaned, and removes the dirt on net cage；And every 15 days with Betagen Solution, wheel is net or allicin is a kind of or many
Planting mixing carries out once sterilizing.
5. a kind of method of fish culture in net pen as claimed in claim 1, it is characterised in that：It is the small net of 12m*12m*3m in size
Case, its mesh is 0.8mm；It is the small-sized net cage of 12m*12m*4.5m in size, its mesh is 2.0mm；It is 12m*12m* in size
The small-sized net cage of 6.5m, its mesh is 3.0mm；It is the small-sized net cage of 2m*12m*8.5m in size, its mesh is more than 4.0mm；In size
It is the public large cage of 25m*31m*10m, its mesh is 5.0 mm.
6. a kind of method of fish culture in net pen as claimed in claim 1, it is characterised in that：When fingerling weight is 20g/ tails, its day
Feeding rate 3.1 ~ 9.0%；When fingerling weight is 50g/ tails, its day feeding rate 1.0 ~ 6.0%；When fingerling weight is 100g/ tails, its day
Feeding rate 1.0 ~ 4.5%；When fingerling weight is 150g/ tails, its day feeding rate 0.9 ~ 4.2%；When fingerling weight is 200g/ tails, its
Day feeding rate 0.9 ~ 4.2%；When fingerling weight is 250g/ tails, its day feeding rate 0.7 ~ 4.0%；When fingerling weight is 300g/ tails,
Its day feeding rate 0.7 ~ 4.0%；When fingerling weight is 500g/ tails, its day feeding rate 0.5 ~ 3.5%；The temperature of above-mentioned day feeding rate
Degree scope is 15 ~ 30 DEG C.
7. the method for a kind of fish culture in net pen as described in claim 1 or 6, it is characterised in that：What is delivered in small-sized net cage is bait throwing in
Property fingerling be carp.
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| CN104996329B (en) * | 2015-06-23 | 2017-09-29 | 洪作良 | A kind of marine cage fish culture method |
| CN107517894A (en) * | 2017-10-11 | 2017-12-29 | 余庆毛巴渔业开发有限公司 | A kind of method of fish culture in net pen |
| CN110402855A (en) * | 2019-08-24 | 2019-11-05 | 丹阳市佳吉渔业专业合作社 | A kind of fancy carp pond captive breeding method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839685A (en) * | 2006-01-23 | 2006-10-04 | 黄金华 | Intensified-bred eel net cage |
| CN101326899A (en) * | 2007-06-22 | 2008-12-24 | 中国水产科学研究院渔业机械仪器研究所 | Cage culture method, net cage and system including the net cage |
| GB2473648A (en) * | 2009-09-21 | 2011-03-23 | Roy Erez | An open water fish farming system |
| CN102379256A (en) * | 2011-08-25 | 2012-03-21 | 安徽科技学院 | Ring-duct net cage for breeding of oriental weatherfish |
| CN202918858U (en) * | 2012-11-14 | 2013-05-08 | 云南省渔业科学研究院 | Novel net cage culture device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201002522D0 (en) * | 2010-02-15 | 2010-03-31 | Ocean Nets Ltd | Rapid deployment fish cage enclosure |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839685A (en) * | 2006-01-23 | 2006-10-04 | 黄金华 | Intensified-bred eel net cage |
| CN101326899A (en) * | 2007-06-22 | 2008-12-24 | 中国水产科学研究院渔业机械仪器研究所 | Cage culture method, net cage and system including the net cage |
| GB2473648A (en) * | 2009-09-21 | 2011-03-23 | Roy Erez | An open water fish farming system |
| CN102379256A (en) * | 2011-08-25 | 2012-03-21 | 安徽科技学院 | Ring-duct net cage for breeding of oriental weatherfish |
| CN202918858U (en) * | 2012-11-14 | 2013-05-08 | 云南省渔业科学研究院 | Novel net cage culture device |
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